Examples of GenerateAddEnv

Examples of lupos.engine.operators.singleinput.generate.GenerateAddEnv

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    startNode = genAdd;
  }

  @Override
  protected boolean checkPrecondition(final Map<String, BasicOperator> mso) {
    final GenerateAddEnv genAdd = (GenerateAddEnv) mso.get("genAdd");
    final Projection projection = (Projection) mso.get("projection");

    final Object[] projVars = projection.getProjectedVariables().toArray();
    final Object[] c = genAdd.getConditions().keySet().toArray();
    for (int i = 0; i < c.length; i++) {
      // Condition should be replaceable after transformation
      if (arrayContains(projVars, (Variable) c[i])) {
        return false;
      }
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Examples of lupos.engine.operators.singleinput.generate.GenerateAddEnv

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  @Override
  public Tuple<Collection<BasicOperator>, Collection<BasicOperator>> transformOperatorGraph(
      final Map<String, BasicOperator> mso,
      final BasicOperator rootOperator) {
    final GenerateAddEnv genAdd = (GenerateAddEnv) mso.get("genAdd");
    final Projection projection = (Projection) mso.get("projection");

    final Object[] projVars = projection.getProjectedVariables().toArray();
    final Object[] subst = genAdd.getConstants().keySet().toArray();

    for (int i = 0; i < subst.length; i++) {
      if (!arrayContains(projVars, (Variable) subst[i])) {
        genAdd.getConstants().remove(subst[i]);
      }
    }

    final LinkedList<BasicOperator> pres = (LinkedList<BasicOperator>) genAdd
        .getPrecedingOperators();
    final LinkedList<OperatorIDTuple> succs = (LinkedList<OperatorIDTuple>) projection
        .getSucceedingOperators();

    final int index = genAdd.getOperatorIDTuple(projection).getId();

    BasicOperator pre;
    for (int i = 0; i < pres.size(); i++) {
      pre = pres.get(i);
      pre.addSucceedingOperator(new OperatorIDTuple(projection, index));
      pre.removeSucceedingOperator(genAdd);
      projection.addPrecedingOperator(pre);
    }

    projection.removePrecedingOperator(genAdd);
    projection.setSucceedingOperator(new OperatorIDTuple(genAdd, 0));

    genAdd.setPrecedingOperator(projection);
    genAdd.setSucceedingOperators(succs);

    BasicOperator succ;
    for (int i = 0; i < succs.size(); i++) {
      succ = succs.get(i).getOperator();
      succ.addPrecedingOperator(genAdd);
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Examples of lupos.engine.operators.singleinput.generate.GenerateAddEnv

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public class RuleGenerateAddOverJoin extends Rule {

  @Override
  protected void init() {
    final GenerateAddEnv genAdd = new GenerateAddEnv();
    final Join join = new Join();

    genAdd.setSucceedingOperator(new OperatorIDTuple(join, -1));
    join.setPrecedingOperator(genAdd);

    subGraphMap = new HashMap<BasicOperator, String>();
    subGraphMap.put(genAdd, "genAdd");
    subGraphMap.put(join, "join");
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Examples of lupos.engine.operators.singleinput.generate.GenerateAddEnv

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  }

  @Override
  protected boolean checkPrecondition(final Map<String, BasicOperator> mso) {
    final Join join = (Join) mso.get("join");
    final GenerateAddEnv genAdd = (GenerateAddEnv) mso.get("genAdd");

    final Object[] joinVars = join.getIntersectionVariables().toArray();
    final Object[] v = genAdd.getConstants().keySet().toArray();

    // If there is minimum one substitution which can be pulled down
    for (int i = 0; i < v.length; i++) {
      // Otherwise join could trigger after transformation
      if (arrayContains(joinVars, (Variable) v[i])) {
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Examples of lupos.engine.operators.singleinput.generate.GenerateAddEnv

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  @Override
  public Tuple<Collection<BasicOperator>, Collection<BasicOperator>> transformOperatorGraph(
      final Map<String, BasicOperator> mso,
      final BasicOperator rootOperator) {
    final GenerateAddEnv genAdd = (GenerateAddEnv) mso.get("genAdd");
    final Join join = (Join) mso.get("join");

    final LinkedList<BasicOperator> pres = (LinkedList<BasicOperator>) genAdd
        .getPrecedingOperators();
    final LinkedList<OperatorIDTuple> succs = (LinkedList<OperatorIDTuple>) join
        .getSucceedingOperators();

    final int index = genAdd.getOperatorIDTuple(join).getId();

    BasicOperator pre;
    for (int i = 0; i < pres.size(); i++) {
      pre = pres.get(i);
      pre.addSucceedingOperator(new OperatorIDTuple(join, index));
      pre.removeSucceedingOperator(genAdd);
      join.addPrecedingOperator(pre);
    }

    join.removePrecedingOperator(genAdd);
    join.setSucceedingOperator(new OperatorIDTuple(genAdd, 0));

    genAdd.setPrecedingOperator(join);
    genAdd.setSucceedingOperators(succs);

    BasicOperator succ;
    for (int i = 0; i < succs.size(); i++) {
      succ = succs.get(i).getOperator();
      succ.addPrecedingOperator(genAdd);
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Examples of lupos.engine.operators.singleinput.generate.GenerateAddEnv

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public class RuleGenerateAddOverFilter extends Rule {

  @Override
  protected void init() {
    final GenerateAddEnv genAdd = new GenerateAddEnv();
    final Filter filter = new Filter();

    genAdd.setSucceedingOperator(new OperatorIDTuple(filter, 0));
    filter.setPrecedingOperator(genAdd);

    subGraphMap = new HashMap<BasicOperator, String>();
    subGraphMap.put(genAdd, "genAdd");
    subGraphMap.put(filter, "filter");
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Examples of lupos.engine.operators.singleinput.generate.GenerateAddEnv

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  }

  @Override
  protected boolean checkPrecondition(final Map<String, BasicOperator> mso) {
    final Filter filter = (Filter) mso.get("filter");
    final GenerateAddEnv genAdd = (GenerateAddEnv) mso.get("genAdd");

    final Object[] filterVars = filter.getUsedVariables().toArray();
    final Object[] v = genAdd.getConstants().keySet().toArray();
    for (int i = 0; i < v.length; i++) {
      if (arrayContains(filterVars, (Variable) v[i])) {
        return false;
      }
    }
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Examples of lupos.engine.operators.singleinput.generate.GenerateAddEnv

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  @Override
  public Tuple<Collection<BasicOperator>, Collection<BasicOperator>> transformOperatorGraph(
      final Map<String, BasicOperator> mso,
      final BasicOperator rootOperator) {
    final GenerateAddEnv genAdd = (GenerateAddEnv) mso.get("genAdd");
    final Filter filter = (Filter) mso.get("filter");

    final LinkedList<BasicOperator> pres = (LinkedList<BasicOperator>) genAdd
        .getPrecedingOperators();
    final LinkedList<OperatorIDTuple> succs = (LinkedList<OperatorIDTuple>) filter
        .getSucceedingOperators();

    final int index = genAdd.getOperatorIDTuple(filter).getId();

    BasicOperator pre;
    for (int i = 0; i < pres.size(); i++) {
      pre = pres.get(i);
      pre.addSucceedingOperator(new OperatorIDTuple(filter, index));
      pre.removeSucceedingOperator(genAdd);
      filter.addPrecedingOperator(pre);
    }

    filter.removePrecedingOperator(genAdd);
    filter.setSucceedingOperator(new OperatorIDTuple(genAdd, 0));

    genAdd.setPrecedingOperator(filter);
    genAdd.setSucceedingOperators(succs);

    BasicOperator succ;
    for (int i = 0; i < succs.size(); i++) {
      succ = succs.get(i).getOperator();
      succ.addPrecedingOperator(genAdd);
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